My Sister Is A Superstar

What? My elder sister, who is lazy, charming, and abusive, is not born of the same parents as me? What? She wants to be a Superstar, but fortunately, I have a system and a cheat. Help remove all obstacles in her way! What? My parents asked me to help solve her single status problem, but I'm still single! Why don't you guys care for me? ! The system said: I think the two of you are quite suitable, and I will match you guys up. I won't do it, As a brother, I will protest against it!